Twin lamp-socket.



H. 23. SARGENT. TWIN LAMP SOCKET. APPLICATION PILED AUG. 21. 1909.

Patented June 7,1910.

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- To all-whom it may cor mam."

UNITED jsrATEs PATENT orn cn.

Bowman 3.. SARGENT, or SCHENEC'I'ADY, roan, ASSIGNOR r GENERAIQ ELECTRIC COMPANY, A conrona'rion- 0F new vonx- TWIN LAMP-SOCKET.

' Be it known that I, HOWARD R. SARoENr,

a citizen of the United States, residing at Schenectady, county of Schenectady, State of New York, have mvented certain new and useful Im rovements in Twin Lam -Sockts Of'WhlCll the following is a'speci cation.

' invention relates to incandescent elecholding two lam s, with their filaments con is a longitudinal section of tric lamp fixtures, and its object is to provide a simple and inexpensive device for nected in multip e.

The invention consists of a stand or base ofinsulating'material, having secured to its middle a metallic bracket to which the screwthreaded shell contacts are fastened, preferably in alinement, and extending in opposite directions therefrom, withv their outer ends resting upon' upright blocks at the ends of the base. Each shell-has a jacket of insulation. A metallic standard, secured to the base, extends through a hole cut in the adjacent sides and ends of said shells and affords a center contact for both receptacles The bracket and the standard have feet in' which binding posts are inserted. A removable trough-sha d cover fits over the shells and extends own to the base, having notches in its lower edges for the passage of the line wires to the binding posts.

In the accompanying drawing, Figure 1 my improved twin lamp socket. Fig. 2 is an end elevation of the same. Fig. 3 is a side elevation showing the cover lifted 011'. Fig. 4 is a perspective view of the bracket, and Fig. 5 is a similar view of the standard.

The base 1 is com sed of molded insulatmg material, pre erably porcelain. At each end it has an upright block 2 whose top is cut out on acircular arc concentric with flan es and said intervening portion insulating material.

the end of a screwthreaded metallic shell 3. The two shells are arranged with their axes in line and parallel with the base 1. Each shell is incased in a jacket 4 of fiber or other Specification of Letters Patent.

Application filed August 21, 1909. Serial No. 513.918. 7

The adjacent inner Patented June '7, 1910.

' walls of the shells, together with the jackets, ,are cut away on one side, forming an opening through which a metallic standard 9 extends into the two receptacles. This standard has at its upper end two cars 10 which lie in the common axis of the two shells and form the center contacts. standard has a foot 11 secured to the base, and in each of the feet 6 11 is a binding fscrew 12. Q

A trough-shaped cover 13 of molded insulatingmaterial slips on over the shells and rests on the base 1. It can be fastened conveniently by a screw 14; engaging with a holein a right-angled arm 15 rising froin the bracket 5 above t e shells and preferably received in a recess in the cover. The lower edges of the cover have notches 16 to permit line wires to enter and reach the binding posts. Or, if desired, said wires giay be carried in through holes 17 in the ase.

This socket for holdin two lamps is simple in construction, the ase and cover being easily molded, and the metal parts being few. The screw shells are of standard make, and the bracket and the standard are punchings which can be quickly bent into shape.

The two shells are supported by the bracket 5, to which also the cover is attached. The

cover is prevented from shifting endwise by means of its recesses 18 fitting over the feet 6 11.

In accordance with the provisions of thepatent statutes, I have described the principle of operation of my invention, together with the apparatus which I now consider to' represent the best embodiment thereof; but I desire to have it understood that the appa'ratus shown is only illustrative, and that the invention can be carried out by other means.

What I claim as new and desire to secure by Letters Patent of the United States, is:

common axis parallel to said base, and provided with bottom flanges abutting against said curved ortlon and riveted thereto, said shells being cut away on one side to The form an openin a standard secured to said base and extending up through said cutaway opening and havm ears in line with the common axis of sai shells, insulatin jackets on said shells, and a trough-shape cover fitting over said shells and attached to the arm on the bracket, said cover being notched to admit the line wires.

2. A twin lamp socket comprising a, base having upright blocks, a bracket secured to said base having a foot provided witha binding screw and having also a curved portion, two screw shells abutting against opposite sides of said curved portion and attached thereto, and having an opening in one side, a standard secured to said base and extending through said opening, and a trough-shape cover fitting over said shells and attached to the upper end of said bracket.

3. A twin lam socket comprising a base, a bracket secure thereto and having a foot provided with a binding screw, two screw shells abutting against opposite sides of said bracket and attached thereto, a standard secured to said base and projecting through an opening in said shells, and a troughshaped cover inclosin said shells; "1

4. A twin lamp soc et comprising a base, a bracket thereon, two screw shells supported by said bracket and having an openmg in one side, and a standard projecting through said openingand forming the center contact for the two receptacles.

5. A twin lamp socket comprising a base, two alined screw threaded shells parallel therewith, and a trough-shaped cover fitting over said shells.

In witness whereof I have hereunto "set my hand this 19th day of August 1909.

HOWARD -R. SARGENT- 

